/* ============================================
   UX IMPROVEMENTS — Premium Polish
   ============================================ */

/* ── Tech Items — Enhanced ── */
.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  transition: transform 0.4s var(--ease-out-expo),
              box-shadow 0.4s var(--ease-out-expo),
              border-color 0.3s ease,
              background 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.tech-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
    rgba(99, 102, 241, 0.08) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.tech-item:hover::before {
  opacity: 1;
}

.tech-item:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 15px 40px rgba(99, 102, 241, 0.15),
              0 0 0 1px rgba(99, 102, 241, 0.1);
}

.tech-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s var(--ease-spring);
}

.tech-item:hover .tech-icon {
  transform: scale(1.15) rotate(5deg);
}

.tech-name {
  font-size: 0.875rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.tech-item:hover .tech-name {
  color: var(--accent);
}

/* ── Mobile Button Improvements ── */
@media (max-width: 768px) {
  .btn {
    padding: 12px 24px;
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .card {
    margin-bottom: 16px;
  }

  .contact-method {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-link {
    padding: 12px 0;
    font-size: 1.1rem;
  }
}

/* ── Targeted Theme Change Transitions ── */
/* FIXED: Removed blanket * transition that caused performance issues */
body,
.header,
.card,
.btn,
.footer,
.section,
.contact-method,
.tech-item,
.about-stat,
.about-highlight,
.service-card,
.project-card {
  transition-property: background-color, color, border-color, box-shadow;
  transition-duration: 0.3s;
  transition-timing-function: ease;
}

/* Interactive elements keep their own transitions */
button,
a,
input,
textarea {
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease,
              transform 0.35s var(--ease-out-expo, ease), box-shadow 0.35s ease;
}

/* ── About Section: icon badges and subtle motion ── */
.about-highlight-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: inline-grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(139,92,246,0.06));
  color: var(--accent);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s ease;
  box-shadow: 0 6px 18px rgba(99,102,241,0.04);
}

.about-highlight:hover .about-highlight-icon {
  transform: translateY(-6px) scale(1.04) rotate(-4deg);
  box-shadow: 0 18px 48px rgba(99,102,241,0.12);
}

.about-highlight-icon svg {
  width: 20px;
  height: 20px;
  display: block;
  stroke: currentColor;
  fill: none;
}

/* ── Services: icons, features and CTA polish ── */
.service-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-glass) 100%);
  border: 1px solid var(--border);
  transition: transform 0.45s var(--ease-out-expo),
              box-shadow 0.45s ease,
              border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* Animated border glow on service card hover */
.service-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--gradient-card-border);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover::after {
  opacity: 0.3;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 80px rgba(99,102,241,0.12);
  border-color: var(--border-accent);
}

.service-card .card-icon {
  width: 64px;
  height: 64px;
  min-width: 64px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(6,182,212,0.06));
  color: var(--accent);
  margin-bottom: var(--space-4);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.4s ease;
}

.service-card .card-icon svg { width: 34px; height: 34px; stroke: currentColor; }

.service-card:hover .card-icon { 
  transform: translateY(-6px) scale(1.02); 
  box-shadow: 0 18px 40px rgba(99,102,241,0.08); 
}

.service-feature { 
  display: inline-block; 
  padding: 8px 10px; 
  background: var(--bg-glass); 
  border-radius: 999px; 
  font-size: 0.78rem; 
  border: 1px solid var(--border);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.service-feature:hover {
  border-color: var(--border-accent);
  background: var(--accent-glow);
}

.service-cta { margin-top: var(--space-4); display: flex; gap: var(--space-3); align-items: center; }
.service-cta .btn { padding: 10px 16px; }

@media (max-width: 820px) {
  .service-card { padding: var(--space-6); }
  .services-grid { grid-template-columns: 1fr !important; }
}

/* ══════════════════════════════════════
   FLOATING ACTION BUTTON
   ══════════════════════════════════════ */

.fab {
  position: fixed;
  right: max(22px, calc((100% - var(--container-xl)) / 2 + 22px));
  bottom: env(safe-area-inset-bottom, 44px);
  z-index: 1200;
  display: grid;
  gap: 10px;
  align-items: end;
}

.fab-main {
  width: clamp(44px, 5.2vw, 64px);
  height: clamp(44px, 5.2vw, 64px);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2, #06b6d4));
  color: #fff;
  border: none;
  display: inline-grid;
  place-items: center;
  box-shadow: 0 18px 40px rgba(99,102,241,0.18);
  cursor: pointer;
  transition: transform 220ms ease, box-shadow 220ms ease;
  position: relative;
  overflow: visible;
}

.fab-main:active { transform: scale(0.98); }

.fab-actions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  align-items: end;
  transform-origin: bottom right;
}

.fab-action {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: clamp(8px, 1.2vw, 12px) clamp(10px, 1.6vw, 14px);
  border-radius: 12px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(12px) scale(0.96);
  opacity: 0;
  transition: all 220ms var(--ease-out-expo);
  font-size: clamp(0.85rem, 1vw, 1rem);
}

.fab.open .fab-action { transform: translateY(0) scale(1); opacity: 1; }
.fab.open .fab-action:nth-child(1){ transition-delay: 0s; }
.fab.open .fab-action:nth-child(2){ transition-delay: 0.04s; }
.fab.open .fab-action:nth-child(3){ transition-delay: 0.08s; }
.fab.open .fab-action:nth-child(4){ transition-delay: 0.12s; }
.fab.open .fab-action:nth-child(5){ transition-delay: 0.16s; }

.fab-action svg { width: 16px; height: 16px; }

/* Tour highlight + overlay */
.tour-highlight {
  box-shadow: 0 0 0 4px rgba(99,102,241,0.12), 0 24px 60px rgba(99,102,241,0.12) !important;
  border-radius: 12px !important;
  transition: box-shadow 0.3s ease, transform 0.3s ease !important;
}

.tour-overlay {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  background: rgba(14, 18, 32, 0.86);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  z-index: 1250;
  display: flex;
  gap: 12px;
  align-items: center;
  box-shadow: 0 12px 36px rgba(2,6,23,0.6);
  backdrop-filter: blur(12px);
}

/* FAB responsive */
@media (max-width: 820px) {
  .fab { left: 50%; right: auto; transform: translateX(-50%); bottom: calc(env(safe-area-inset-bottom, 18px) + 2px); }
  .fab-main { width: 48px; height: 48px; }
  .fab-action { padding: 8px 10px; font-size: 0.95rem; }
}

@media (min-width: 900px) {
  .fab { right: max(22px, calc((100% - var(--container-xl)) / 2 + 22px)); }
  .fab-main { width: clamp(48px, 3.6vw, 64px); height: clamp(48px, 3.6vw, 64px); }
}

@media (min-width: 1200px) {
  .fab { right: max(28px, calc((100% - var(--container-xl)) / 2 + 28px)); bottom: env(safe-area-inset-bottom, 56px); }
  .fab-main { width: 64px; height: 64px; }
}

@media (max-width: 480px) {
  .fab { bottom: calc(env(safe-area-inset-bottom, 12px) + 2px); }
  .fab-main { width: 44px; height: 44px; }
  .fab-main[data-tooltip]::before { display: none; }
}

/* Robot styling */
.robot-emoji { color: currentColor; filter: none; display: inline-block; font-size: 20px; line-height: 1; }

/* subtle shadow/anchor under button */
.fab-main::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 6px;
  border-radius: 50%;
  background: rgba(2,6,23,0.06);
  filter: blur(4px);
  opacity: 0.9;
}

.fab-main { animation: none; transition: transform 220ms ease, box-shadow 220ms ease; }
.fab-main:hover, .fab-main:focus { transform: translateY(-6px) scale(1.02); box-shadow: 0 20px 48px rgba(2,6,23,0.12); }
.fab.open .fab-main { transform: rotate(-6deg) scale(1.02); }

/* Tooltip */
.fab-main[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  right: 110%;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(2,6,23,0.9);
  color: #fff;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  box-shadow: 0 8px 20px rgba(2,6,23,0.3);
  backdrop-filter: blur(8px);
}
.fab-main:hover[data-tooltip]::before,
.fab-main:focus[data-tooltip]::before { opacity: 1; transform: translateY(-50%) translateX(-6px); }

/* Hide FAB when footer visible or scrolling down */
.fab-hidden, .fab-hidden-scroll { opacity: 0; transform: translateY(26px) translateX(-6px) scale(0.98); pointer-events: none; }

/* subtle float animation for about icons */
.about-highlight-icon { animation: float 6s ease-in-out infinite; }
.about-highlight:nth-child(1) .about-highlight-icon { animation-delay: 0.1s; }
.about-highlight:nth-child(2) .about-highlight-icon { animation-delay: 0.25s; }
.about-highlight:nth-child(3) .about-highlight-icon { animation-delay: 0.4s; }
.about-highlight:nth-child(4) .about-highlight-icon { animation-delay: 0.55s; }

/* =========================
   UI/UX Polish Additions
   ========================= */

/* Stronger primary CTA: bigger, clearer, accessible focus */
.btn-primary {
  padding: 12px 20px;
  font-size: 1rem;
  letter-spacing: 0.2px;
  border-radius: 12px;
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(99,102,241,0.18);
  outline-offset: 4px;
  box-shadow: 0 6px 30px rgba(99,102,241,0.18), 0 0 0 4px rgba(99,102,241,0.06) inset;
}

/* Subtle microcopy under hero CTA */
.hero-cta-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Form inputs: clearer borders, focus state and reduced motion */
.form-field {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: box-shadow 200ms ease, border-color 180ms ease, transform 200ms ease;
}

.form-field:focus {
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(99,102,241,0.06);
  transform: translateY(-2px);
}

.form-label { display: block; margin-bottom: 6px; font-weight: 600; color: var(--text-primary); }

/* Nav link active indicator and spacing */
.nav-link {
  position: relative;
  padding: 8px 10px;
  border-radius: 8px;
  transition: color 180ms ease, background 180ms ease, transform 200ms ease;
}

.nav-link.active, .nav-link:hover {
  color: var(--accent);
  background: rgba(99,102,241,0.04);
  transform: translateY(-2px);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--gradient-primary);
  box-shadow: 0 6px 18px rgba(99,102,241,0.12);
}

/* Mobile nav overlay (improved touch targets) */
.mobile-nav {
  background: linear-gradient(180deg, rgba(10,10,15,0.96), rgba(10,10,15,0.98));
  padding: 28px 18px;
}

.mobile-nav .mobile-nav-link {
  display: block;
  padding: 14px 8px;
  font-size: 1.05rem;
  border-radius: 8px;
}

/* Card content spacing improvements */
.project-card .project-info { padding: 20px; }
.project-title { font-size: 1.15rem; margin-bottom: 8px; }
.project-description { color: var(--text-secondary); font-size: 0.95rem; }

/* Reduce visual clutter on small screens */
@media (max-width: 520px) {
  .hero-image-wrapper { display: none; }
  .hero-visual { opacity: 0.98; }
  .logo-text { display: none; }
}

/* Tiny accessibility helper: focus ring for links */
a:focus-visible { outline: 3px solid rgba(99,102,241,0.12); outline-offset: 3px; }

/* Footer CTA emphasis */
.footer .btn-primary { padding: 10px 18px; border-radius: 10px; }


/* Stats pop on counter completion */
.about-stat-number.counter-done { transform: translateY(-6px); color: var(--accent); }

@media (max-width: 820px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ══════════════════════════════════════
   PROJECT CARD — Enhanced Interaction
   ══════════════════════════════════════ */

.project-card {
  transition: transform 0.5s var(--ease-out-expo),
              box-shadow 0.5s ease;
}

.project-card:hover {
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.3),
              0 0 0 1px rgba(99, 102, 241, 0.1);
}

.project-image {
  transition: transform 0.7s var(--ease-out-expo),
              filter 0.5s ease;
}

.project-card:hover .project-image {
  transform: scale(1.06);
}

.project-overlay {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.05));
  transition: opacity 0.4s ease;
}

.project-title {
  transition: color 0.3s ease;
}

.project-card:hover .project-title {
  color: var(--accent);
}

/* ══════════════════════════════════════
   CONTACT METHOD — Hover Glow
   ══════════════════════════════════════ */

.contact-method {
  transition: all 0.4s var(--ease-out-expo);
  position: relative;
  overflow: hidden;
}

.contact-method::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 50%, rgba(99, 102, 241, 0.06) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.contact-method:hover::before {
  opacity: 1;
}

.contact-method:hover {
  border-color: var(--border-accent);
  transform: translateX(6px);
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
}

/* ══════════════════════════════════════
   FOOTER — Gradient Border Top
   ══════════════════════════════════════ */

.footer {
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-neon);
  background-size: 200% 100%;
  animation: shimmerBar 4s linear infinite;
}

/* ══════════════════════════════════════
   LANGUAGE TOGGLE + RTL SUPPORT
   ══════════════════════════════════════ */

.lang-toggle {
  min-width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.28s ease;
}

.lang-toggle:hover,
.lang-toggle:focus-visible {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: var(--bg-secondary);
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.16);
}

.mobile-lang-toggle {
  width: 100%;
  margin-top: 8px;
}

[dir="rtl"] .header-inner,
[dir="rtl"] .hero-inner,
[dir="rtl"] .about-grid,
[dir="rtl"] .contact-grid {
  direction: rtl;
}

[dir="rtl"] .hero-content,
[dir="rtl"] .about-content,
[dir="rtl"] .section-header,
[dir="rtl"] .contact-info,
[dir="rtl"] .contact-form-wrapper,
[dir="rtl"] .footer {
  text-align: right;
}

[dir="rtl"] .hero-cta,
[dir="rtl"] .contact-method {
  direction: rtl;
}

[dir="rtl"] .nav,
[dir="rtl"] .header-actions {
  flex-direction: row-reverse;
}

[dir="rtl"] .mobile-nav-links,
[dir="rtl"] .footer-links {
  text-align: right;
}